Electrical Cables The advantage of cables over overhead transmission lines is Can be used in high voltage circuits Can be used in congested areas Easy maintenance Low cost Can be used in high voltage circuits Can be used in congested areas Easy maintenance Low cost ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables High tension cables are generally used up to 66 kV 33 kV 11 kV 132 kV 66 kV 33 kV 11 kV 132 kV ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables The electrostatic stress in underground cables is Maximum at the conductor and minimum at the sheath Zero at the conductor as well as on the sheath Same at the conductor and the sheath Minimum at the conductor and maximum at the sheath Maximum at the conductor and minimum at the sheath Zero at the conductor as well as on the sheath Same at the conductor and the sheath Minimum at the conductor and maximum at the sheath ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables The current carrying capacity of cables in D.C. is more than that in A.C. mainly due to Smaller dielectric loss Nonexistence of any stability limit Absence of harmonics None of the listed here Smaller dielectric loss Nonexistence of any stability limit Absence of harmonics None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables If a power cable and a communication cable are to run parallel the minimum distance between the two, to avoid interference, should be 50 cm 30 cm 20 cm 100 cm 50 cm 30 cm 20 cm 100 cm ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables In a cable, the maximum stress under operating conditions is at Insulation layer Armour Conductor surface Sheath Insulation layer Armour Conductor surface Sheath ANSWER DOWNLOAD EXAMIANS APP